organic compounds
of pyrazoxyfen
aDepartment of Chemistry and Research Institute of Natural Sciences, Gyeongsang National University, Jinju 52828, Republic of Korea
*Correspondence e-mail: thkim@gnu.ac.kr, jekim@gnu.ac.kr
The title compound, C20H16Cl2N2O3 (systematic name: 2-{[4-(2,4-dichlorobenzoyl)-1,3-dimethylpyrazol-5-yl}oxy}-1-phenylethan-1-one), is the benzoylpyrazole herbicide pyrazoxyfen. The comprises two independent molecules, A and B, in which the pyrazole ring makes dihedral angles of 80.29 (10) and 61.70 (10)° and 87.60 (10) and 63.92 (8)°, respectively, with the dichlorophenyl and phenyl rings. In the crystal, C—H⋯O and C—H⋯N hydrogen bonds, and C—H⋯π and π–π [3.646 (2) Å] interactions link adjacent molecules, forming a two-dimensional network parellel to (011). In addition, the networks are linked by weak intermolecular C—Cl⋯π [3.356 (2), 3.950 (2), 3.250 (2) and 3.575 (2) Å] interactions, resulting in a three-dimensional architecture.
Keywords: crystal structure; pyrazoxyfen; acetophenone; herbicide.
CCDC reference: 1440271
1. Related literature
For information on the herbicidal properties of the title compound, see: Hirai et al. (2002). For a related see: Indumathi et al. (2012).
2. Experimental
2.1. Crystal data
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2.3. Refinement
|
Data collection: APEX2 (Bruker, 2014); cell SAINT (Bruker, 2014); data reduction: SAINT; program(s) used to solve structure: SHELXS97 (Sheldrick, 2008); program(s) used to refine structure: SHELXL2013 (Sheldrick, 2015); molecular graphics: DIAMOND (Brandenburg, 2010); software used to prepare material for publication: SHELXTL (Sheldrick, 2008).
Supporting information
CCDC reference: 1440271
https://doi.org/10.1107/S2056989015023233/hg5466sup1.cif
contains datablocks global, I. DOI:Structure factors: contains datablock I. DOI: https://doi.org/10.1107/S2056989015023233/hg5466Isup2.hkl
Supporting information file. DOI: https://doi.org/10.1107/S2056989015023233/hg5466Isup3.cml
The title compound was purchased from the Dr. Ehrenstorfer GmbH Company. Slow evaporation of a solution in CH3CN gave single crystals suitable for X-ray analysis.
All H-atoms were positioned geometrically and refined using a riding model with d(C—H) = 0.95 Å, Uiso = 1.2Ueq(C) for aromatic C—H, d(C—H) = 0.99 Å, Uiso = 1.2Ueq(C) for methylene C—H and d(C—H) = 0.98 Å, Uiso = 1.5Ueq(C) for methyl C—H.
Pyrazoxyfen [systematic name: 2-[4-(2,4-dichlorobenzoyl)-1,3-dimethylpyrazol-5-yloxy]acetophenone] is a the benzoyl pyrazole herbicides. Various pyrazole derivatives with potent herbicidal activity have been synthesized and some are in use as herbicides such as pyrazolate, pyrazoxyfen, benzofenap, pyraflufen-ethyl, fluazolate and pyrazosulfuron-ethyl (Hirai et al., 2002). The
comprises two independent molecules, A and B, in which the dihedral angle between the dichlorophenyl and pyrazole and phenyl ring planes are 80.29 (10), 61.70 (10), 87.60 (10), and 63.92 (8)°, respectively. All bond lengths and bond angles are normal and comparable to those observed in similar crystal structures (Indumathi et al., 2012).In the π (Table 1), and Cg3···Cg3vi, 3.646 (2) Å (Cg3 is the centroid of the C15-C20 ring) interactions link adjacent molecules, forming a two-dimensional network parelle to (011) plane. In addition, the networks are linked by weak intermolecular C1–Cl1···Cg4iii, 3.356 (2), C3–Cl2···Cg6, 3.950 (2), C21–Cl3···Cg1vii, 3.250 (2) and C21–Cl3···Cg2i, 3.575 (2) Å (Cg1, Cg2, Cg4 and Cg6 are the centroids of the N1-N2-C8-C9-C10, C1-C6, N3-N4-C28-C29-C30 and C35–C40 rings) interactions, resulting in a three-dimensional architecture [for Symmetry codes (i) x+1, y, z; (ii) x-1, y, z; (iii) -x+1, -y+2, -z; (iv) -x+1, -y+1, -z+1; (v) -x+1, -y+1, -z; (vi) -x, -y+1, -z+1, (vii) -x+1, -y+2, -z+1].
(Fig. 2), C–H···O and C–H···N hydrogen bonds, C–H···For information on the herbicidal properties of the title compound, see: Hirai et al. (2002). For a related
see: Indumathi et al. (2012).Data collection: APEX2 (Bruker, 2014); cell
SAINT (Bruker, 2014); data reduction: SAINT (Bruker, 2014); program(s) used to solve structure: SHELXS97 (Sheldrick, 2008); program(s) used to refine structure: SHELXL2013 (Sheldrick, 2015); molecular graphics: DIAMOND (Brandenburg, 2010); software used to prepare material for publication: SHELXTL (Sheldrick, 2008).Fig. 1. The asymmetric unit of the title compound with the atom-numbering scheme. Displacement ellipsoids are drawn at the 50% probability level. H atoms are shown as small spheres of arbitrary radius. | |
Fig. 2. Crystal packing viewed along the a axis. The intermolecular interactions are shown as dashed lines. |
C20H16Cl2N2O3 | Z = 4 |
Mr = 403.25 | F(000) = 832 |
Triclinic, P1 | Dx = 1.422 Mg m−3 |
a = 7.827 (3) Å | Mo Kα radiation, λ = 0.71073 Å |
b = 15.534 (5) Å | Cell parameters from 3560 reflections |
c = 15.886 (6) Å | θ = 2.6–21.7° |
α = 88.82 (2)° | µ = 0.37 mm−1 |
β = 89.093 (18)° | T = 173 K |
γ = 77.266 (18)° | Plate, colourless |
V = 1883.4 (11) Å3 | 0.20 × 0.16 × 0.11 mm |
Bruker APEXII CCD diffractometer | 3991 reflections with I > 2σ(I) |
φ and ω scans | Rint = 0.063 |
Absorption correction: multi-scan (SADABS; Bruker, 2014) | θmax = 25.0°, θmin = 1.3° |
Tmin = 0.684, Tmax = 0.746 | h = −7→9 |
22903 measured reflections | k = −18→18 |
6579 independent reflections | l = −18→18 |
Refinement on F2 | 0 restraints |
Least-squares matrix: full | Hydrogen site location: inferred from neighbouring sites |
R[F2 > 2σ(F2)] = 0.049 | H-atom parameters constrained |
wR(F2) = 0.109 | w = 1/[σ2(Fo2) + (0.0415P)2] where P = (Fo2 + 2Fc2)/3 |
S = 0.99 | (Δ/σ)max = 0.001 |
6579 reflections | Δρmax = 0.25 e Å−3 |
491 parameters | Δρmin = −0.35 e Å−3 |
C20H16Cl2N2O3 | γ = 77.266 (18)° |
Mr = 403.25 | V = 1883.4 (11) Å3 |
Triclinic, P1 | Z = 4 |
a = 7.827 (3) Å | Mo Kα radiation |
b = 15.534 (5) Å | µ = 0.37 mm−1 |
c = 15.886 (6) Å | T = 173 K |
α = 88.82 (2)° | 0.20 × 0.16 × 0.11 mm |
β = 89.093 (18)° |
Bruker APEXII CCD diffractometer | 6579 independent reflections |
Absorption correction: multi-scan (SADABS; Bruker, 2014) | 3991 reflections with I > 2σ(I) |
Tmin = 0.684, Tmax = 0.746 | Rint = 0.063 |
22903 measured reflections |
R[F2 > 2σ(F2)] = 0.049 | 0 restraints |
wR(F2) = 0.109 | H-atom parameters constrained |
S = 0.99 | Δρmax = 0.25 e Å−3 |
6579 reflections | Δρmin = −0.35 e Å−3 |
491 parameters |
Geometry. All esds (except the esd in the dihedral angle between two l.s. planes) are estimated using the full covariance matrix. The cell esds are taken into account individually in the estimation of esds in distances, angles and torsion angles; correlations between esds in cell parameters are only used when they are defined by crystal symmetry. An approximate (isotropic) treatment of cell esds is used for estimating esds involving l.s. planes. |
x | y | z | Uiso*/Ueq | ||
Cl1 | 0.24743 (13) | 1.11847 (6) | 0.20923 (6) | 0.0721 (3) | |
Cl2 | 0.24441 (12) | 0.77988 (5) | 0.27588 (5) | 0.0560 (3) | |
Cl3 | 0.75954 (12) | 1.04970 (5) | 0.32607 (6) | 0.0662 (3) | |
Cl4 | 0.79186 (13) | 0.73468 (5) | 0.19305 (5) | 0.0597 (3) | |
O1 | 0.0216 (3) | 0.81955 (12) | 0.45887 (12) | 0.0409 (5) | |
O2 | 0.1419 (2) | 0.74996 (11) | 0.64187 (10) | 0.0298 (5) | |
O3 | 0.2716 (3) | 0.57587 (12) | 0.63891 (12) | 0.0410 (5) | |
O4 | 0.5267 (3) | 0.83966 (12) | 0.00376 (13) | 0.0456 (5) | |
O5 | 0.7107 (2) | 0.67719 (12) | −0.10634 (11) | 0.0352 (5) | |
O6 | 0.7996 (3) | 0.58373 (11) | 0.03822 (11) | 0.0357 (5) | |
N1 | 0.4384 (3) | 0.74396 (13) | 0.63553 (13) | 0.0295 (6) | |
N2 | 0.5663 (3) | 0.76683 (14) | 0.58592 (14) | 0.0324 (6) | |
N3 | 0.9906 (3) | 0.69469 (14) | −0.10444 (13) | 0.0326 (6) | |
N4 | 1.1021 (3) | 0.74130 (15) | −0.06989 (14) | 0.0345 (6) | |
C1 | 0.2381 (4) | 1.03478 (19) | 0.2818 (2) | 0.0414 (8) | |
C2 | 0.2477 (4) | 0.9515 (2) | 0.25301 (19) | 0.0441 (8) | |
H2 | 0.2663 | 0.9389 | 0.1949 | 0.053* | |
C3 | 0.2296 (4) | 0.88565 (17) | 0.31104 (18) | 0.0357 (7) | |
C4 | 0.2039 (3) | 0.90297 (17) | 0.39544 (17) | 0.0283 (7) | |
C5 | 0.2022 (4) | 0.98763 (17) | 0.42230 (18) | 0.0359 (7) | |
H5 | 0.1901 | 0.9999 | 0.4807 | 0.043* | |
C6 | 0.2175 (4) | 1.05413 (19) | 0.3659 (2) | 0.0425 (8) | |
H6 | 0.2140 | 1.1121 | 0.3847 | 0.051* | |
C7 | 0.1674 (4) | 0.83569 (16) | 0.45857 (16) | 0.0283 (7) | |
C8 | 0.3040 (3) | 0.79810 (15) | 0.51804 (16) | 0.0245 (6) | |
C9 | 0.2832 (4) | 0.76044 (16) | 0.59716 (17) | 0.0264 (6) | |
C10 | 0.4856 (4) | 0.79928 (17) | 0.51579 (17) | 0.0296 (7) | |
C11 | 0.4789 (4) | 0.71264 (19) | 0.72142 (17) | 0.0423 (8) | |
H11A | 0.3756 | 0.7322 | 0.7576 | 0.063* | |
H11B | 0.5760 | 0.7366 | 0.7420 | 0.063* | |
H11C | 0.5125 | 0.6480 | 0.7225 | 0.063* | |
C12 | 0.5910 (4) | 0.8278 (2) | 0.44605 (18) | 0.0424 (8) | |
H12A | 0.7152 | 0.8132 | 0.4610 | 0.064* | |
H12B | 0.5528 | 0.8917 | 0.4368 | 0.064* | |
H12C | 0.5744 | 0.7972 | 0.3945 | 0.064* | |
C13 | 0.0333 (3) | 0.69531 (16) | 0.60951 (16) | 0.0284 (7) | |
H13A | 0.0133 | 0.7088 | 0.5488 | 0.034* | |
H13B | −0.0818 | 0.7087 | 0.6388 | 0.034* | |
C14 | 0.1167 (4) | 0.59876 (17) | 0.62135 (16) | 0.0270 (7) | |
C15 | 0.0051 (4) | 0.53405 (17) | 0.60969 (15) | 0.0267 (7) | |
C16 | −0.1689 (4) | 0.56036 (18) | 0.58556 (16) | 0.0317 (7) | |
H16 | −0.2190 | 0.6213 | 0.5764 | 0.038* | |
C17 | −0.2700 (4) | 0.49842 (19) | 0.57471 (16) | 0.0368 (7) | |
H17 | −0.3888 | 0.5168 | 0.5581 | 0.044* | |
C18 | −0.1972 (4) | 0.4100 (2) | 0.58811 (17) | 0.0408 (8) | |
H18 | −0.2654 | 0.3674 | 0.5801 | 0.049* | |
C19 | −0.0247 (4) | 0.38339 (18) | 0.61323 (17) | 0.0390 (8) | |
H19 | 0.0242 | 0.3225 | 0.6234 | 0.047* | |
C20 | 0.0767 (4) | 0.44465 (17) | 0.62359 (16) | 0.0343 (7) | |
H20 | 0.1954 | 0.4258 | 0.6402 | 0.041* | |
C21 | 0.7426 (4) | 0.98693 (19) | 0.23920 (19) | 0.0403 (8) | |
C22 | 0.7747 (4) | 0.89714 (18) | 0.24907 (18) | 0.0365 (7) | |
H22 | 0.8092 | 0.8695 | 0.3019 | 0.044* | |
C23 | 0.7556 (4) | 0.84838 (17) | 0.18030 (18) | 0.0337 (7) | |
C24 | 0.7060 (3) | 0.88679 (17) | 0.10255 (18) | 0.0311 (7) | |
C25 | 0.6756 (4) | 0.97795 (18) | 0.0948 (2) | 0.0437 (8) | |
H25 | 0.6406 | 1.0059 | 0.0422 | 0.052* | |
C26 | 0.6957 (4) | 1.02854 (19) | 0.1629 (2) | 0.0478 (9) | |
H26 | 0.6775 | 1.0909 | 0.1573 | 0.057* | |
C27 | 0.6781 (4) | 0.83393 (17) | 0.02736 (17) | 0.0299 (7) | |
C28 | 0.8278 (3) | 0.78297 (16) | −0.01511 (16) | 0.0259 (6) | |
C29 | 0.8295 (4) | 0.71799 (17) | −0.07395 (16) | 0.0281 (7) | |
C30 | 1.0045 (4) | 0.79338 (18) | −0.01446 (17) | 0.0309 (7) | |
C31 | 1.0567 (4) | 0.6240 (2) | −0.16135 (18) | 0.0511 (9) | |
H31A | 1.0866 | 0.5680 | −0.1296 | 0.077* | |
H31B | 1.1616 | 0.6348 | −0.1904 | 0.077* | |
H31C | 0.9669 | 0.6209 | −0.2028 | 0.077* | |
C32 | 1.0887 (4) | 0.85251 (19) | 0.03547 (19) | 0.0454 (8) | |
H32A | 1.2127 | 0.8436 | 0.0193 | 0.068* | |
H32B | 1.0789 | 0.8387 | 0.0956 | 0.068* | |
H32C | 1.0300 | 0.9141 | 0.0244 | 0.068* | |
C33 | 0.5743 (4) | 0.65695 (17) | −0.05442 (16) | 0.0324 (7) | |
H33A | 0.5078 | 0.6219 | −0.0870 | 0.039* | |
H33B | 0.4926 | 0.7126 | −0.0385 | 0.039* | |
C34 | 0.6429 (4) | 0.60573 (16) | 0.02483 (16) | 0.0278 (7) | |
C35 | 0.5102 (3) | 0.58522 (16) | 0.08449 (16) | 0.0259 (6) | |
C36 | 0.3373 (4) | 0.59303 (17) | 0.06168 (17) | 0.0326 (7) | |
H36 | 0.3012 | 0.6133 | 0.0066 | 0.039* | |
C37 | 0.2171 (4) | 0.57168 (18) | 0.11825 (18) | 0.0383 (8) | |
H37 | 0.0988 | 0.5766 | 0.1023 | 0.046* | |
C38 | 0.2706 (4) | 0.54309 (18) | 0.19819 (18) | 0.0404 (8) | |
H38 | 0.1886 | 0.5283 | 0.2375 | 0.048* | |
C39 | 0.4426 (4) | 0.53573 (18) | 0.22183 (17) | 0.0360 (7) | |
H39 | 0.4778 | 0.5162 | 0.2772 | 0.043* | |
C40 | 0.5622 (4) | 0.55651 (16) | 0.16571 (16) | 0.0309 (7) | |
H40 | 0.6803 | 0.5514 | 0.1820 | 0.037* |
U11 | U22 | U33 | U12 | U13 | U23 | |
Cl1 | 0.0833 (7) | 0.0597 (6) | 0.0763 (7) | −0.0261 (5) | −0.0084 (5) | 0.0438 (5) |
Cl2 | 0.0848 (7) | 0.0409 (5) | 0.0462 (5) | −0.0222 (5) | 0.0028 (5) | −0.0050 (4) |
Cl3 | 0.0769 (7) | 0.0491 (5) | 0.0696 (6) | −0.0043 (5) | −0.0137 (5) | −0.0286 (4) |
Cl4 | 0.1054 (8) | 0.0303 (4) | 0.0463 (5) | −0.0209 (5) | −0.0075 (5) | 0.0030 (4) |
O1 | 0.0298 (12) | 0.0424 (13) | 0.0543 (13) | −0.0173 (10) | −0.0097 (10) | 0.0186 (10) |
O2 | 0.0322 (12) | 0.0276 (10) | 0.0331 (11) | −0.0145 (9) | 0.0052 (9) | −0.0034 (8) |
O3 | 0.0341 (13) | 0.0340 (12) | 0.0551 (14) | −0.0078 (10) | −0.0098 (11) | 0.0013 (10) |
O4 | 0.0251 (13) | 0.0471 (13) | 0.0630 (15) | −0.0032 (10) | −0.0036 (11) | −0.0115 (10) |
O5 | 0.0375 (12) | 0.0469 (12) | 0.0257 (11) | −0.0194 (10) | 0.0012 (9) | 0.0010 (9) |
O6 | 0.0306 (13) | 0.0370 (12) | 0.0395 (12) | −0.0076 (10) | −0.0017 (10) | 0.0039 (9) |
N1 | 0.0318 (15) | 0.0284 (13) | 0.0297 (14) | −0.0097 (11) | −0.0054 (12) | 0.0054 (10) |
N2 | 0.0255 (14) | 0.0321 (14) | 0.0408 (15) | −0.0094 (11) | −0.0037 (12) | 0.0060 (11) |
N3 | 0.0344 (15) | 0.0337 (14) | 0.0298 (14) | −0.0080 (12) | 0.0021 (12) | 0.0032 (11) |
N4 | 0.0287 (15) | 0.0385 (15) | 0.0369 (15) | −0.0093 (12) | 0.0032 (12) | 0.0060 (12) |
C1 | 0.038 (2) | 0.0366 (19) | 0.051 (2) | −0.0128 (15) | −0.0079 (16) | 0.0214 (16) |
C2 | 0.046 (2) | 0.051 (2) | 0.0362 (18) | −0.0143 (17) | −0.0057 (16) | 0.0124 (16) |
C3 | 0.0383 (19) | 0.0326 (17) | 0.0394 (19) | −0.0153 (14) | −0.0077 (15) | 0.0063 (14) |
C4 | 0.0253 (17) | 0.0270 (16) | 0.0347 (17) | −0.0109 (13) | −0.0077 (13) | 0.0068 (13) |
C5 | 0.0370 (19) | 0.0335 (18) | 0.0389 (18) | −0.0118 (15) | −0.0060 (15) | 0.0087 (14) |
C6 | 0.043 (2) | 0.0284 (17) | 0.058 (2) | −0.0119 (15) | −0.0089 (17) | 0.0082 (15) |
C7 | 0.0282 (18) | 0.0258 (16) | 0.0322 (17) | −0.0086 (14) | 0.0007 (14) | −0.0001 (12) |
C8 | 0.0270 (17) | 0.0201 (14) | 0.0273 (16) | −0.0073 (13) | −0.0053 (13) | 0.0038 (12) |
C9 | 0.0277 (17) | 0.0190 (15) | 0.0342 (17) | −0.0080 (13) | −0.0014 (15) | −0.0026 (12) |
C10 | 0.0272 (18) | 0.0259 (16) | 0.0371 (18) | −0.0097 (13) | −0.0011 (14) | 0.0048 (13) |
C11 | 0.051 (2) | 0.0453 (19) | 0.0340 (18) | −0.0184 (16) | −0.0148 (15) | 0.0109 (14) |
C12 | 0.0244 (17) | 0.057 (2) | 0.0479 (19) | −0.0133 (15) | −0.0001 (15) | 0.0107 (16) |
C13 | 0.0290 (17) | 0.0269 (16) | 0.0332 (16) | −0.0149 (13) | 0.0002 (13) | 0.0015 (12) |
C14 | 0.0321 (18) | 0.0266 (16) | 0.0232 (15) | −0.0088 (14) | 0.0029 (14) | 0.0015 (12) |
C15 | 0.0316 (18) | 0.0248 (16) | 0.0251 (15) | −0.0096 (14) | 0.0034 (13) | 0.0007 (12) |
C16 | 0.0399 (19) | 0.0281 (16) | 0.0288 (16) | −0.0121 (15) | 0.0046 (14) | 0.0039 (12) |
C17 | 0.0413 (19) | 0.0419 (19) | 0.0301 (17) | −0.0155 (16) | 0.0050 (14) | −0.0007 (14) |
C18 | 0.054 (2) | 0.044 (2) | 0.0339 (18) | −0.0305 (18) | 0.0074 (16) | −0.0073 (14) |
C19 | 0.062 (2) | 0.0218 (16) | 0.0367 (18) | −0.0167 (16) | 0.0106 (17) | −0.0006 (13) |
C20 | 0.044 (2) | 0.0312 (17) | 0.0276 (16) | −0.0073 (15) | 0.0020 (14) | −0.0006 (13) |
C21 | 0.0355 (19) | 0.0360 (19) | 0.049 (2) | −0.0053 (15) | −0.0009 (16) | −0.0163 (15) |
C22 | 0.0375 (19) | 0.0366 (18) | 0.0362 (18) | −0.0095 (15) | 0.0034 (15) | −0.0054 (14) |
C23 | 0.0354 (19) | 0.0257 (16) | 0.0411 (18) | −0.0097 (14) | 0.0032 (15) | −0.0010 (14) |
C24 | 0.0212 (16) | 0.0280 (16) | 0.0434 (19) | −0.0037 (13) | 0.0034 (14) | −0.0044 (14) |
C25 | 0.046 (2) | 0.0309 (18) | 0.051 (2) | −0.0005 (15) | −0.0095 (16) | 0.0021 (15) |
C26 | 0.051 (2) | 0.0263 (17) | 0.064 (2) | −0.0007 (16) | −0.0134 (18) | −0.0063 (17) |
C27 | 0.0272 (18) | 0.0234 (15) | 0.0396 (18) | −0.0071 (14) | −0.0015 (15) | 0.0041 (13) |
C28 | 0.0236 (16) | 0.0254 (15) | 0.0282 (16) | −0.0048 (13) | 0.0010 (13) | 0.0022 (12) |
C29 | 0.0286 (18) | 0.0295 (16) | 0.0269 (16) | −0.0083 (14) | −0.0027 (14) | 0.0097 (13) |
C30 | 0.0266 (17) | 0.0325 (17) | 0.0326 (17) | −0.0049 (14) | −0.0035 (14) | 0.0097 (14) |
C31 | 0.054 (2) | 0.056 (2) | 0.0412 (19) | −0.0060 (17) | 0.0144 (17) | −0.0119 (16) |
C32 | 0.0290 (18) | 0.054 (2) | 0.058 (2) | −0.0185 (16) | −0.0004 (16) | −0.0086 (16) |
C33 | 0.0310 (17) | 0.0367 (17) | 0.0327 (17) | −0.0148 (14) | −0.0002 (14) | 0.0033 (13) |
C34 | 0.0332 (19) | 0.0217 (15) | 0.0300 (17) | −0.0084 (14) | −0.0062 (15) | −0.0013 (12) |
C35 | 0.0259 (17) | 0.0241 (15) | 0.0278 (16) | −0.0059 (13) | −0.0019 (13) | 0.0033 (12) |
C36 | 0.0346 (19) | 0.0360 (17) | 0.0271 (16) | −0.0074 (14) | −0.0039 (15) | 0.0024 (13) |
C37 | 0.0258 (18) | 0.0442 (19) | 0.045 (2) | −0.0088 (15) | −0.0001 (15) | −0.0034 (15) |
C38 | 0.042 (2) | 0.0458 (19) | 0.0353 (19) | −0.0152 (16) | 0.0068 (16) | 0.0015 (15) |
C39 | 0.039 (2) | 0.0395 (18) | 0.0289 (17) | −0.0081 (15) | −0.0014 (15) | 0.0032 (13) |
C40 | 0.0329 (18) | 0.0292 (16) | 0.0311 (17) | −0.0074 (14) | −0.0035 (14) | −0.0009 (13) |
Cl1—C1 | 1.733 (3) | C15—C20 | 1.393 (3) |
Cl2—C3 | 1.725 (3) | C16—C17 | 1.389 (4) |
Cl3—C21 | 1.729 (3) | C16—H16 | 0.9500 |
Cl4—C23 | 1.734 (3) | C17—C18 | 1.379 (4) |
O1—C7 | 1.221 (3) | C17—H17 | 0.9500 |
O2—C9 | 1.343 (3) | C18—C19 | 1.384 (4) |
O2—C13 | 1.434 (3) | C18—H18 | 0.9500 |
O3—C14 | 1.221 (3) | C19—C20 | 1.381 (4) |
O4—C27 | 1.232 (3) | C19—H19 | 0.9500 |
O5—C29 | 1.348 (3) | C20—H20 | 0.9500 |
O5—C33 | 1.424 (3) | C21—C22 | 1.368 (4) |
O6—C34 | 1.220 (3) | C21—C26 | 1.377 (4) |
N1—C9 | 1.339 (3) | C22—C23 | 1.371 (4) |
N1—N2 | 1.368 (3) | C22—H22 | 0.9500 |
N1—C11 | 1.455 (3) | C23—C24 | 1.384 (4) |
N2—C10 | 1.324 (3) | C24—C25 | 1.386 (4) |
N3—C29 | 1.320 (3) | C24—C27 | 1.509 (4) |
N3—N4 | 1.377 (3) | C25—C26 | 1.381 (4) |
N3—C31 | 1.438 (3) | C25—H25 | 0.9500 |
N4—C30 | 1.323 (3) | C26—H26 | 0.9500 |
C1—C2 | 1.368 (4) | C27—C28 | 1.430 (4) |
C1—C6 | 1.374 (4) | C28—C29 | 1.388 (3) |
C2—C3 | 1.392 (4) | C28—C30 | 1.428 (4) |
C2—H2 | 0.9500 | C30—C32 | 1.490 (4) |
C3—C4 | 1.376 (4) | C31—H31A | 0.9800 |
C4—C5 | 1.388 (4) | C31—H31B | 0.9800 |
C4—C7 | 1.503 (3) | C31—H31C | 0.9800 |
C5—C6 | 1.377 (3) | C32—H32A | 0.9800 |
C5—H5 | 0.9500 | C32—H32B | 0.9800 |
C6—H6 | 0.9500 | C32—H32C | 0.9800 |
C7—C8 | 1.453 (4) | C33—C34 | 1.516 (4) |
C8—C9 | 1.398 (3) | C33—H33A | 0.9900 |
C8—C10 | 1.425 (3) | C33—H33B | 0.9900 |
C10—C12 | 1.488 (3) | C34—C35 | 1.476 (4) |
C11—H11A | 0.9800 | C35—C36 | 1.385 (4) |
C11—H11B | 0.9800 | C35—C40 | 1.394 (3) |
C11—H11C | 0.9800 | C36—C37 | 1.379 (3) |
C12—H12A | 0.9800 | C36—H36 | 0.9500 |
C12—H12B | 0.9800 | C37—C38 | 1.377 (4) |
C12—H12C | 0.9800 | C37—H37 | 0.9500 |
C13—C14 | 1.507 (3) | C38—C39 | 1.383 (4) |
C13—H13A | 0.9900 | C38—H38 | 0.9500 |
C13—H13B | 0.9900 | C39—C40 | 1.367 (3) |
C14—C15 | 1.486 (4) | C39—H39 | 0.9500 |
C15—C16 | 1.390 (4) | C40—H40 | 0.9500 |
C9—O2—C13 | 119.17 (19) | C20—C19—H19 | 119.8 |
C29—O5—C33 | 120.3 (2) | C18—C19—H19 | 119.8 |
C9—N1—N2 | 112.0 (2) | C19—C20—C15 | 120.0 (3) |
C9—N1—C11 | 128.4 (2) | C19—C20—H20 | 120.0 |
N2—N1—C11 | 119.4 (2) | C15—C20—H20 | 120.0 |
C10—N2—N1 | 104.7 (2) | C22—C21—C26 | 122.2 (3) |
C29—N3—N4 | 112.6 (2) | C22—C21—Cl3 | 118.5 (2) |
C29—N3—C31 | 126.8 (3) | C26—C21—Cl3 | 119.3 (2) |
N4—N3—C31 | 120.4 (2) | C21—C22—C23 | 117.8 (3) |
C30—N4—N3 | 104.7 (2) | C21—C22—H22 | 121.1 |
C2—C1—C6 | 122.0 (3) | C23—C22—H22 | 121.1 |
C2—C1—Cl1 | 118.5 (2) | C22—C23—C24 | 122.4 (3) |
C6—C1—Cl1 | 119.4 (2) | C22—C23—Cl4 | 118.0 (2) |
C1—C2—C3 | 118.3 (3) | C24—C23—Cl4 | 119.6 (2) |
C1—C2—H2 | 120.9 | C23—C24—C25 | 118.1 (3) |
C3—C2—H2 | 120.9 | C23—C24—C27 | 122.8 (2) |
C4—C3—C2 | 121.4 (3) | C25—C24—C27 | 119.1 (3) |
C4—C3—Cl2 | 119.8 (2) | C26—C25—C24 | 120.6 (3) |
C2—C3—Cl2 | 118.8 (2) | C26—C25—H25 | 119.7 |
C3—C4—C5 | 118.3 (2) | C24—C25—H25 | 119.7 |
C3—C4—C7 | 122.7 (2) | C21—C26—C25 | 118.8 (3) |
C5—C4—C7 | 118.8 (2) | C21—C26—H26 | 120.6 |
C6—C5—C4 | 121.3 (3) | C25—C26—H26 | 120.6 |
C6—C5—H5 | 119.4 | O4—C27—C28 | 123.2 (3) |
C4—C5—H5 | 119.4 | O4—C27—C24 | 118.0 (2) |
C1—C6—C5 | 118.6 (3) | C28—C27—C24 | 118.7 (3) |
C1—C6—H6 | 120.7 | C29—C28—C30 | 104.2 (2) |
C5—C6—H6 | 120.7 | C29—C28—C27 | 127.0 (3) |
O1—C7—C8 | 124.4 (2) | C30—C28—C27 | 128.5 (3) |
O1—C7—C4 | 117.5 (2) | N3—C29—O5 | 116.3 (2) |
C8—C7—C4 | 117.9 (2) | N3—C29—C28 | 107.5 (2) |
C9—C8—C10 | 102.8 (2) | O5—C29—C28 | 136.2 (3) |
C9—C8—C7 | 127.3 (2) | N4—C30—C28 | 110.9 (3) |
C10—C8—C7 | 129.5 (2) | N4—C30—C32 | 118.2 (3) |
N1—C9—O2 | 118.3 (2) | C28—C30—C32 | 130.9 (3) |
N1—C9—C8 | 108.0 (2) | N3—C31—H31A | 109.5 |
O2—C9—C8 | 133.0 (3) | N3—C31—H31B | 109.5 |
N2—C10—C8 | 112.4 (2) | H31A—C31—H31B | 109.5 |
N2—C10—C12 | 118.5 (2) | N3—C31—H31C | 109.5 |
C8—C10—C12 | 129.0 (3) | H31A—C31—H31C | 109.5 |
N1—C11—H11A | 109.5 | H31B—C31—H31C | 109.5 |
N1—C11—H11B | 109.5 | C30—C32—H32A | 109.5 |
H11A—C11—H11B | 109.5 | C30—C32—H32B | 109.5 |
N1—C11—H11C | 109.5 | H32A—C32—H32B | 109.5 |
H11A—C11—H11C | 109.5 | C30—C32—H32C | 109.5 |
H11B—C11—H11C | 109.5 | H32A—C32—H32C | 109.5 |
C10—C12—H12A | 109.5 | H32B—C32—H32C | 109.5 |
C10—C12—H12B | 109.5 | O5—C33—C34 | 112.6 (2) |
H12A—C12—H12B | 109.5 | O5—C33—H33A | 109.1 |
C10—C12—H12C | 109.5 | C34—C33—H33A | 109.1 |
H12A—C12—H12C | 109.5 | O5—C33—H33B | 109.1 |
H12B—C12—H12C | 109.5 | C34—C33—H33B | 109.1 |
O2—C13—C14 | 111.3 (2) | H33A—C33—H33B | 107.8 |
O2—C13—H13A | 109.4 | O6—C34—C35 | 122.4 (2) |
C14—C13—H13A | 109.4 | O6—C34—C33 | 121.2 (2) |
O2—C13—H13B | 109.4 | C35—C34—C33 | 116.5 (2) |
C14—C13—H13B | 109.4 | C36—C35—C40 | 119.5 (2) |
H13A—C13—H13B | 108.0 | C36—C35—C34 | 121.9 (2) |
O3—C14—C15 | 122.1 (2) | C40—C35—C34 | 118.6 (2) |
O3—C14—C13 | 120.0 (2) | C37—C36—C35 | 120.6 (3) |
C15—C14—C13 | 117.8 (2) | C37—C36—H36 | 119.7 |
C16—C15—C20 | 119.2 (3) | C35—C36—H36 | 119.7 |
C16—C15—C14 | 121.8 (2) | C38—C37—C36 | 119.2 (3) |
C20—C15—C14 | 119.0 (3) | C38—C37—H37 | 120.4 |
C17—C16—C15 | 120.6 (3) | C36—C37—H37 | 120.4 |
C17—C16—H16 | 119.7 | C37—C38—C39 | 120.7 (3) |
C15—C16—H16 | 119.7 | C37—C38—H38 | 119.6 |
C18—C17—C16 | 119.7 (3) | C39—C38—H38 | 119.6 |
C18—C17—H17 | 120.2 | C40—C39—C38 | 120.2 (3) |
C16—C17—H17 | 120.2 | C40—C39—H39 | 119.9 |
C17—C18—C19 | 120.1 (3) | C38—C39—H39 | 119.9 |
C17—C18—H18 | 120.0 | C39—C40—C35 | 119.8 (3) |
C19—C18—H18 | 120.0 | C39—C40—H40 | 120.1 |
C20—C19—C18 | 120.5 (3) | C35—C40—H40 | 120.1 |
C9—N1—N2—C10 | 0.8 (3) | C16—C15—C20—C19 | 0.1 (4) |
C11—N1—N2—C10 | −174.7 (2) | C14—C15—C20—C19 | 179.9 (2) |
C29—N3—N4—C30 | 1.7 (3) | C26—C21—C22—C23 | −1.3 (4) |
C31—N3—N4—C30 | −173.2 (2) | Cl3—C21—C22—C23 | 178.0 (2) |
C6—C1—C2—C3 | 2.3 (4) | C21—C22—C23—C24 | 0.2 (4) |
Cl1—C1—C2—C3 | −176.2 (2) | C21—C22—C23—Cl4 | −178.7 (2) |
C1—C2—C3—C4 | −0.5 (4) | C22—C23—C24—C25 | 0.2 (4) |
C1—C2—C3—Cl2 | −179.1 (2) | Cl4—C23—C24—C25 | 179.1 (2) |
C2—C3—C4—C5 | −2.1 (4) | C22—C23—C24—C27 | −177.7 (3) |
Cl2—C3—C4—C5 | 176.5 (2) | Cl4—C23—C24—C27 | 1.2 (4) |
C2—C3—C4—C7 | 174.2 (3) | C23—C24—C25—C26 | 0.5 (4) |
Cl2—C3—C4—C7 | −7.2 (4) | C27—C24—C25—C26 | 178.4 (3) |
C3—C4—C5—C6 | 2.9 (4) | C22—C21—C26—C25 | 1.9 (5) |
C7—C4—C5—C6 | −173.5 (3) | Cl3—C21—C26—C25 | −177.4 (2) |
C2—C1—C6—C5 | −1.5 (5) | C24—C25—C26—C21 | −1.5 (5) |
Cl1—C1—C6—C5 | 177.0 (2) | C23—C24—C27—O4 | 108.3 (3) |
C4—C5—C6—C1 | −1.2 (4) | C25—C24—C27—O4 | −69.5 (3) |
C3—C4—C7—O1 | −74.3 (4) | C23—C24—C27—C28 | −74.4 (3) |
C5—C4—C7—O1 | 102.0 (3) | C25—C24—C27—C28 | 107.8 (3) |
C3—C4—C7—C8 | 109.1 (3) | O4—C27—C28—C29 | −16.2 (4) |
C5—C4—C7—C8 | −74.6 (3) | C24—C27—C28—C29 | 166.7 (2) |
O1—C7—C8—C9 | −20.3 (4) | O4—C27—C28—C30 | 156.0 (3) |
C4—C7—C8—C9 | 156.0 (2) | C24—C27—C28—C30 | −21.1 (4) |
O1—C7—C8—C10 | 167.9 (3) | N4—N3—C29—O5 | 178.15 (19) |
C4—C7—C8—C10 | −15.8 (4) | C31—N3—C29—O5 | −7.4 (4) |
N2—N1—C9—O2 | −173.02 (19) | N4—N3—C29—C28 | −0.6 (3) |
C11—N1—C9—O2 | 2.0 (4) | C31—N3—C29—C28 | 173.9 (2) |
N2—N1—C9—C8 | −1.2 (3) | C33—O5—C29—N3 | 145.0 (2) |
C11—N1—C9—C8 | 173.8 (2) | C33—O5—C29—C28 | −36.8 (4) |
C13—O2—C9—N1 | −127.1 (2) | C30—C28—C29—N3 | −0.7 (3) |
C13—O2—C9—C8 | 63.6 (3) | C27—C28—C29—N3 | 173.0 (2) |
C10—C8—C9—N1 | 1.1 (3) | C30—C28—C29—O5 | −179.0 (3) |
C7—C8—C9—N1 | −172.5 (2) | C27—C28—C29—O5 | −5.3 (5) |
C10—C8—C9—O2 | 171.2 (3) | N3—N4—C30—C28 | −2.1 (3) |
C7—C8—C9—O2 | −2.4 (4) | N3—N4—C30—C32 | 179.1 (2) |
N1—N2—C10—C8 | −0.1 (3) | C29—C28—C30—N4 | 1.8 (3) |
N1—N2—C10—C12 | −177.7 (2) | C27—C28—C30—N4 | −171.8 (2) |
C9—C8—C10—N2 | −0.6 (3) | C29—C28—C30—C32 | −179.6 (3) |
C7—C8—C10—N2 | 172.8 (3) | C27—C28—C30—C32 | 6.8 (4) |
C9—C8—C10—C12 | 176.7 (3) | C29—O5—C33—C34 | −52.9 (3) |
C7—C8—C10—C12 | −9.9 (4) | O5—C33—C34—O6 | −2.0 (3) |
C9—O2—C13—C14 | 76.7 (3) | O5—C33—C34—C35 | 177.3 (2) |
O2—C13—C14—O3 | −14.8 (3) | O6—C34—C35—C36 | −165.8 (2) |
O2—C13—C14—C15 | 166.1 (2) | C33—C34—C35—C36 | 14.8 (4) |
O3—C14—C15—C16 | −176.7 (3) | O6—C34—C35—C40 | 13.6 (4) |
C13—C14—C15—C16 | 2.4 (4) | C33—C34—C35—C40 | −165.7 (2) |
O3—C14—C15—C20 | 3.5 (4) | C40—C35—C36—C37 | −0.8 (4) |
C13—C14—C15—C20 | −177.4 (2) | C34—C35—C36—C37 | 178.7 (2) |
C20—C15—C16—C17 | −0.5 (4) | C35—C36—C37—C38 | 0.5 (4) |
C14—C15—C16—C17 | 179.7 (2) | C36—C37—C38—C39 | 0.0 (4) |
C15—C16—C17—C18 | 0.1 (4) | C37—C38—C39—C40 | −0.3 (4) |
C16—C17—C18—C19 | 0.8 (4) | C38—C39—C40—C35 | 0.0 (4) |
C17—C18—C19—C20 | −1.2 (4) | C36—C35—C40—C39 | 0.5 (4) |
C18—C19—C20—C15 | 0.7 (4) | C34—C35—C40—C39 | −179.0 (2) |
Cg3 and Cg6 are the centroids of the C15–C20 and C35–C40 rings, respectively. |
D—H···A | D—H | H···A | D···A | D—H···A |
C12—H12A···O1i | 0.98 | 2.42 | 3.353 (4) | 159 |
C32—H32A···O4i | 0.98 | 2.45 | 3.420 (4) | 168 |
C16—H16···N2ii | 0.95 | 2.51 | 3.414 (4) | 159 |
C36—H36···N4ii | 0.95 | 2.54 | 3.334 (4) | 141 |
C37—H37···O6ii | 0.95 | 2.55 | 3.490 (4) | 172 |
C25—H25···O4iii | 0.95 | 2.56 | 3.302 (4) | 135 |
C39—H39···O3iv | 0.95 | 2.54 | 3.346 (4) | 143 |
C33—H33A···Cg6v | 0.99 | 2.97 | 3.683 (3) | 130 |
C38—H38···Cg3vi | 0.95 | 2.68 | 3.499 (3) | 145 |
Symmetry codes: (i) x+1, y, z; (ii) x−1, y, z; (iii) −x+1, −y+2, −z; (iv) −x+1, −y+1, −z+1; (v) −x+1, −y+1, −z; (vi) −x, −y+1, −z+1. |
Cg3 and Cg6 are the centroids of the C15–C20 and C35–C40 rings, respectively. |
D—H···A | D—H | H···A | D···A | D—H···A |
C12—H12A···O1i | 0.98 | 2.42 | 3.353 (4) | 158.8 |
C32—H32A···O4i | 0.98 | 2.45 | 3.420 (4) | 168.4 |
C16—H16···N2ii | 0.95 | 2.51 | 3.414 (4) | 159.4 |
C36—H36···N4ii | 0.95 | 2.54 | 3.334 (4) | 141.2 |
C37—H37···O6ii | 0.95 | 2.55 | 3.490 (4) | 171.7 |
C25—H25···O4iii | 0.95 | 2.56 | 3.302 (4) | 134.7 |
C39—H39···O3iv | 0.95 | 2.54 | 3.346 (4) | 143.1 |
C33—H33A···Cg6v | 0.99 | 2.97 | 3.683 (3) | 130.0 |
C38—H38···Cg3vi | 0.95 | 2.68 | 3.499 (3) | 145.0 |
Symmetry codes: (i) x+1, y, z; (ii) x−1, y, z; (iii) −x+1, −y+2, −z; (iv) −x+1, −y+1, −z+1; (v) −x+1, −y+1, −z; (vi) −x, −y+1, −z+1. |
Acknowledgements
This research was supported by the Basic Science Research Program through the National Research Foundation of Korea (NRF) funded by the Ministry of Education, Science and Technology (No. 2015R1D1A4A01020317).
References
Brandenburg, K. (2010). DIAMOND. Crystal Impact GbR, Bonn, Germany. Google Scholar
Bruker (2014). APEX2, SAINT and SADABS. Bruker AXS Inc., Madison, Wisconsin, USA. Google Scholar
Hirai, K., Uchida, A. & Ohno, R. (2002). Herbicide Classes in Development, edited by P. Boger, K. Hirai & K. Wakabyashi, pp. 179–289. Heidelberg: Springer-Verlag. Google Scholar
Indumathi, S., Perumal, S. & Anbananthan, N. (2012). Green Chem. 14, 3361–3367. Web of Science CSD CrossRef CAS Google Scholar
Sheldrick, G. M. (2008). Acta Cryst. A64, 112–122. Web of Science CrossRef CAS IUCr Journals Google Scholar
Sheldrick, G. M. (2015). Acta Cryst. C71, 3–8. Web of Science CrossRef IUCr Journals Google Scholar
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Pyrazoxyfen [systematic name: 2-[4-(2,4-dichlorobenzoyl)-1,3-dimethylpyrazol-5-yloxy]acetophenone] is a the benzoyl pyrazole herbicides. Various pyrazole derivatives with potent herbicidal activity have been synthesized and some are in use as herbicides such as pyrazolate, pyrazoxyfen, benzofenap, pyraflufen-ethyl, fluazolate and pyrazosulfuron-ethyl (Hirai et al., 2002). The asymmetric unit comprises two independent molecules, A and B, in which the dihedral angle between the dichlorophenyl and pyrazole and phenyl ring planes are 80.29 (10), 61.70 (10), 87.60 (10), and 63.92 (8)°, respectively. All bond lengths and bond angles are normal and comparable to those observed in similar crystal structures (Indumathi et al., 2012).
In the crystal structure (Fig. 2), C–H···O and C–H···N hydrogen bonds, C–H···π (Table 1), and Cg3···Cg3vi, 3.646 (2) Å (Cg3 is the centroid of the C15-C20 ring) interactions link adjacent molecules, forming a two-dimensional network parelle to (011) plane. In addition, the networks are linked by weak intermolecular C1–Cl1···Cg4iii, 3.356 (2), C3–Cl2···Cg6, 3.950 (2), C21–Cl3···Cg1vii, 3.250 (2) and C21–Cl3···Cg2i, 3.575 (2) Å (Cg1, Cg2, Cg4 and Cg6 are the centroids of the N1-N2-C8-C9-C10, C1-C6, N3-N4-C28-C29-C30 and C35–C40 rings) interactions, resulting in a three-dimensional architecture [for Symmetry codes (i) x+1, y, z; (ii) x-1, y, z; (iii) -x+1, -y+2, -z; (iv) -x+1, -y+1, -z+1; (v) -x+1, -y+1, -z; (vi) -x, -y+1, -z+1, (vii) -x+1, -y+2, -z+1].